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All Journal Jurnal Teknik ITS IPTEK Journal of Proceedings Series IPTEK The Journal for Technology and Science TEKMAPRO Journal of Industrial Engineering and Management Teknik dan Ilmu Komputer Syntax Literate: Jurnal Ilmiah Indonesia Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Accounting and Management Journal Prosiding Seminar Nasional Program Pengabdian Masyarakat JURNAL INOVASI TEKNIK INDUSTRI Jurnal Teknologi dan Rekayasa Alat Berat (JTRAB)
Mokh. Suef
Departement Of Business And Management Technology, Institut Teknologi Sepuluh Nopember
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Medicine & Pharmacology Social Sciences Other

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Perencanaan Preventif Maintenance Menggunakan Reliability-Centered Maintenance II untuk Mencegah Kegagalan Peralatan di Pembangkit Listrik Tenaga Uap Sukma Setia Risnatha, I Gede; Suef, Mokh
Syntax Literate Jurnal Ilmiah Indonesia
Publisher : Syntax Corporation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36418/syntax-literate.v10i3.56429

Abstract

Kerugian produksi akibat breakdown peralatan kritis menjadi perhatian utama dalam bisnis pembangkitan tenaga listrik karena dapat menurunkan pendapatan. Pada tahun 2023, Total Loss Production di PLTU ADP yang dikelola oleh PT XYZ mencapai 1.010.432,7 MWh, salah satunya disebabkan oleh breakdown pada coal feeder, sehingga target kinerja Equivalen Availability Factor (EAF) hanya tercapai 81,24% dari target 86,74%. Penyebab utama breakdown adalah strategi pemeliharaan yang belum tepat dan efektif. Penelitian ini bertujuan merencanakan preventif maintenance (PM) untuk coal feeder di PLTU ADP menggunakan metode Reliability-Centered Maintenance II (RCM II) dan menganalisis data kegagalan peralatan guna menentukan interval PM yang optimal. Proses penelitian meliputi pengumpulan data, perhitungan kehandalan peralatan dengan reliability block diagram, dan penentuan interval PM berdasarkan kriteria Reliability Function R(t)<60%. Analisis dilakukan dengan Failure Mode Equipment Analysis (FMEA) dan evaluasi Failure Consequences untuk menghasilkan tindakan pemeliharaan yang tepat. Hasil penelitian merekomendasikan strategi PM dengan tindakan Scheduled discard task atau Scheduled restoration task berdasarkan interval optimal, seperti Feeder Belt Assembly (2738,85 jam), Microprocessor Feeder Electronics (3312,1 jam), dan Cleanout Conveyor(8601,56 jam). Implementasi PM prioritas pada komponen dengan kehandalan <60% (Inlet Outlet Valve, Cleanout Conveyor, Microprocessor Feeder Electronics, dan Protection Device) dapat meningkatkan kehandalan coal feeder dari 11,21% menjadi 74,19%, mencegah kegagalan peralatan, dan mengurangi kerugian produksi.
Alignment Model of Expectations with Actual Lifetime of Mainpump Components on Heavy Equipment Febrianto, Anggi; Suef, Mokh; Saiful Hakim, Muhammad
Jurnal Teknologi dan Rekayasa Alat Berat Vol 2 No 2 (2025): JTRAB Volume 2, No 2, 2025
Publisher : Department of Mechanical Engineering, Vocational College, Gadjah Mada University.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jtrab.v2i2.17694

Abstract

This research focuses on the importance of optimal machine performance in various industrial sectors, emphasising the reliability of each component as a crucial factor in maintaining productivity and operational efficiency. In this context, specific research was conducted to analyse the difference between the expected life of components and the actual life achieved in the field. There is a significant knowledge gap associated with the mismatch between expected and actual component life, potentially leading to unexpected increases in operating costs and decreases in efficiency. This study used survey methodology and linear regression analysis to evaluate the relationship between the expected and actual age of mainpump components on Komatsu PC200 units. The main results showed that the actual life of the components tended to be lower than the expected life, with an average gap of 3,257 hours, indicating the need for adjustments to maintenance and replacement strategies. The analysis also revealed that factors such as severe operational conditions and suboptimal maintenance methods contributed to this mismatch. The implications of this study point to the importance of implementing a more adaptive and data-driven maintenance strategy to improve operational efficiency and minimise unexpected downtime.
ANALISIS PERISTIWA PENYEBAB PADA KETERLAMBATAN PROYEK APARTEMEN Rosdianto, Moch Afif; Suef, Mokh; Angreni, Endah
JURNAL AKUNTANSI DAN MANAJEMEN Vol 2 No 1 (2018): Accounting and Management Journal
Publisher : Universitas Nahdlatul Ulama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33086/amj.v2i1.64

Abstract

A Project could be told success if it had a capability to fulfill a project’s goal, which was project could be done either in time or do not have a major lateness. Many things were affecting project buildings processing. This research purpose was to analyze whose causing lateness for apartment buildings project event in Surabaya. To analyze so many cause lateness event would be needed a systematic method approach. This research’s method was used a Fault Tree Analysis (FTA) Method which was used to seek cause event and the probability of lateness. Not only two of those methods, but also expert judgment technique was conducted by using questionnaire to seek probability and to analyze variable cause event. As a result of FTA method was obtained a very high probability of lateness with the main cause event was classified into 4 groups, were caused by owner, caused by supervising consultants, caused by contractor, and caused by environment circumstances. From four of those main causes was obtained some results, first of all from owner’s perspective were a lot of assignment alteration and late payment installment to contractor, second of all from supervising consultants’ perspective was a checklist survey result in certain area, the contractor’s work could not be continued because of such a certain things, third of all from contractor’s perspective was caused by inaccurate work method, and the last of all from environment circumstances was the local people felt so agitated because of the project location to close to them.
PERANCANGAN SISTEM PRODUKSI BERBASIS OBJECT-ORIENTED MODELING PADA UMKM BATIK Yojana, Ratna Mira; Suef, Mokh; Akbari, Annisa Dewi; Harahap, Elfira Febriani
Jurnal Inovasi Teknik Industri Vol 4, No 1 (2025): JURNAL INOVASI TEKNIK INDUSTRI
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat Universitas Muhammadiyah Gombong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26753/jitin.v4i1.1681

Abstract

Sanggar Batik Kembang Mayang merupakan salah satu  Usaha Mikro Kecil dan Menengah yang ada di Tangerang. UMKM ini belum mengalami kendala dalam perkembangannya karena sistem pencatatan dan pengelolaan proses produksi masih dilakukan secara manual. Hal ini membuat sering terjadi kesalahan data. Penelitian ini berfokus pada perancangan sistem produksi Sanggar Batik Kembang Mayang. Metodologi yang digunakan adalah Object-Oriented Modeling. Proses pemodelan sistem saat menggunakan contect diagram, data flow diagram, usecase diagram, activity diagram entity relationship diagram dan swimlane diagram. Sistem yang dirancang dimulai dari penerimaan pesaanan, proses penjadwalan produksi hingga produk jadi dikirim kepada pelanggan. Hasil dari penelitian ini adalah rancangan sistem produksi yang terdokumentasi dan tervisualisasi secara jelas, dan dapat dijadikan dasar pengembangan sistem informasi terkomputerisasi untuk meningkatkan efisiensi dan akurasi proses produksi di UMKM tersebut.
Analisis Ketidaktercapaian Key Performance Indicator Departemen Engineering PT. XYZ dalam Implementasi Computerized Maintenance Managemen System Winoto, Maria Nicolas Ganden Gondho; Santoso, Bagus Jati; Suef, Mokh.
Syntax Literate Jurnal Ilmiah Indonesia
Publisher : Syntax Corporation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36418/syntax-literate.v9i5.15859

Abstract

Seiring dengan meningkatnya jumlah produk dan kapasitas, PT. XYZ, perusahaan material bangunan, memutuskan untuk melakukan transformasi digital, dimulai dari Departemen Engineering dengan mendigitalisasi proses perawatan dan perbaikan mesin-mesin produksi. Transformasi ini mencakup pelaporan kegiatan, perencanaan, dan ketersediaan suku cadang yang harus dapat diakses dengan mudah untuk memastikan efisiensi manajemen perawatan mesin. Pengembangan teknologi digital dilakukan secara internal antara Departemen Engineering dan Departemen Information Technology, menghasilkan aplikasi Computerized Maintenance Management System (CMMS) untuk meningkatkan capaian Key Performance Indicator (KPI) Departemen Engineering. Namun, penerapan aplikasi ini belum mencapai KPI secara konsisten, menimbulkan keraguan terhadap kegunaannya. Penelitian ini bertujuan untuk mengidentifikasi penyebab ketidaktercapaian KPI dengan menggunakan metode root cause analysis, framework for information system success, kuesioner, dan analisis kompetensi personil engineering. Hasil penelitian menunjukkan bahwa ketidaktercapaian KPI disebabkan oleh klasifikasi, distribusi, dan verifikasi downtime yang masih manual, rekapitulasi downtime yang tidak akurat, tidak adanya prioritas jenis mesin, serta data mesin dan item perawatan yang belum lengkap. Langkah perbaikan yang diusulkan meliputi penambahan sistem klasifikasi, distribusi, dan verifikasi downtime pada aplikasi, penambahan validator downtime, simplifikasi mesin dan peralatan, pembuatan sistem klasifikasi jenis surat perintah kerja (SPK), pembaruan data mesin, serta item perawatan dan jadwal maintenance secara konsisten. Perbaikan penerapan CMMS mencakup penggantian perangkat jaringan, standarisasi hak akses, penambahan sistem klasifikasi distribusi otomatis, melengkapi nomor aset, dan pelatihan operasional CMMS secara reguler. Kesimpulannya, implementasi perbaikan ini diharapkan dapat meningkatkan pencapaian KPI Departemen Engineering PT. XYZ secara konsisten.
Co-Authors Angreni, Endah Angreni, Endah Annisa Dewi Akbari, Annisa Dewi Anugrah, Gede Bayu Atmam Abdha Arianandha Aulia Akbar, Reza Azizah, Farras Rahardini Benhard Panangian Dewanti Anggrahini Dharmawan, Doni Ardhi Farony, Rivan Faurizal Limansyah Fauziyah Fatma Ningrum Febrianto, Anggi Handiwibowo, Gogor Arif Harahap, Elfira Febriani Hari Supriyanto Hariono Hariono Indung Sudarso Kurniati, Nani Loverinca Millenia, Vira Lucky, Novryan Lutvianto Pebri Handoko Maria Anityasari Novi Dwi Jayanti Pribadi, Henry Putu Dana Karningsih Rabbani Arieza Satya Yoga Ratna Sari Trisna Wardani Rindi Kusumawardani Rizaldy Rizki Pratama Rochmansyah, Wahyu Ronald Sukwadi Rosdianto, Moch Afif Rosdianto, Moch Afif Rosyid Ridlo Saiful Hakim, Muhammad Santoso, Bagus Jati Septin Puji Astuti Sherina Amalia Permatasari Sukma Setia Risnatha, I Gede Tommy Anandra Sunardi Udisubakti Ciptomulyono Vita Ratnasari Widawati, Enny Winoto, Maria Nicolas Ganden Gondho Yojana, Ratna Mira Yuanus, Franki Yudha Prasetyawan Yusita Mega Kuncoro Ziyaurrohman Alladany